Youngsil Lee
A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms
Lee, Youngsil; Vakil, Gaurang; Feldman, Ralph; Watson, Alan J.; Wheeler, Patrick
Authors
GAURANG VAKIL GAURANG.VAKIL@NOTTINGHAM.AC.UK
Associate Professor
Ralph Feldman
ALAN WATSON ALAN.WATSON@NOTTINGHAM.AC.UK
Associate Professor
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems
Abstract
This paper presents the steady-state analysis of a high power step-up DC-DC converter based three-phase dual active bridge (3DAB) for use as a medium voltage (MV) DC-DC collector of offshore wind farms. An optimization procedure for a high-power medium frequency transformer is explained and moreover, a design of an optimal control phase shift angle is explained and verified through simulation. The comparisons with two scenarios are presented: 4MW converters for power conversion from low dc voltage (LVDC) of the wind turbine output terminal to 40kV MVDC grid of offshore wind farms. The proposed 3DAB DC-DC converter is investigated for the given scenarios in terms of losses of the semi-conductors and the magnetic part as well as the quantity of semi-conductors.
Conference Name | 2016 18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe |
---|---|
Conference Location | Karlsruhe, Germany |
Start Date | Sep 5, 2016 |
End Date | Sep 9, 2016 |
Acceptance Date | Mar 1, 2016 |
Online Publication Date | Oct 27, 2016 |
Publication Date | 2016 |
Deposit Date | Jun 17, 2016 |
Publicly Available Date | Oct 27, 2016 |
Peer Reviewed | Peer Reviewed |
Pages | 1-10 |
Book Title | 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe) |
ISBN | 978-1-5090-1410-1 |
DOI | https://doi.org/10.1109/EPE.2016.7695573 |
Keywords | Dual Active Bridge, high-power dc-dc converter, offshore wind farms, MVDC Grids, power loss |
Public URL | https://nottingham-repository.worktribe.com/output/774464 |
Publisher URL | https://ieeexplore.ieee.org/document/7695573/ |
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A High Power DC DC Converter based Dual Active Bridge for MVDC Grids on Offshore Wind Farms.pdf
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